content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import static org.junit.Assert.assertSame;
  
  import org.junit.Test;
  
  import io.reactivex.common.functions.Function;
  import io.reactivex.observable.*;
  import io.reactivex.observable.extensions.HasUpstreamMaybeSource;
  
  public class MaybeToCompletableTest {
  
      @SuppressWarnings("unchecked")
      @Test
      public void source() {
          Maybe<Integer> source = Maybe.just(1);
  
          assertSame(source, ((HasUpstreamMaybeSource<Integer>)source.ignoreElement().toMaybe()).source());
      }
  
      @Test
      public void dispose() {
          TestHelper.checkDisposed(Maybe.never().ignoreElement().toMaybe());
      }
  
      @Test
      public void successToComplete() {
          Maybe.just(1)
          .ignoreElement()
          .test()
          .assertResult();
      }
  
      @Test
      public void doubleSubscribe() {
          TestHelper.checkDoubleOnSubscribeMaybeToCompletable(new Function<Maybe<Object>, CompletableSource>() {
              @Override
              public CompletableSource apply(Maybe<Object> m) throws Exception {
                  return m.ignoreElement();
              }
          });
      }
  }
  